Comparing Azithromycin vs Penicillin VK
| Azithromycin | Penicillin VK (penicillin v potassium) |
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| Azithromycin | Penicillin VK (penicillin v potassium) |
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Prescription only
Azithromycin is an antibiotic used to treat a variety of different infections. It has the distinct advantage of once-daily dosing; however, diarrhea is a common side effect. Prescribed for Bacterial... View more |
Prescription only
Prescribed for Bacterial Infection, Fusospirochetosis - Trench Mouth, Clostridioides difficile Infection, Cutaneous Bacillus anthracis, Lyme Disease - Erythema Chronicum Migrans, Middle Ear... View more |
Related suggestions Bacterial Infection
Skin or Soft Tissue Infection
Middle Ear Infections (Otitis Media)
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| More about Azithromycin | More about Penicillin VK (penicillin v potassium) | ||||||||
| Ratings & Reviews | |||||||||
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Azithromycin has an average rating of 6.8 out of 10 from a total of 1306 ratings on Drugs.com. 54% of reviewers reported a positive effect, while 22% reported a negative effect. |
Penicillin VK has an average rating of 6.5 out of 10 from a total of 31 ratings on Drugs.com. 58% of reviewers reported a positive effect, while 32% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
View all Azithromycin side effects |
View all Penicillin VK side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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Lower cost generic |
N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||
View all Azithromycin prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Azithromycin Dose Pack, Z-Pak, Zithromax |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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53 hours |
1 hour |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||
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Category B
No proven risk in humans
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 372 drugs are known to interact with Azithromycin:
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A total of 56 drugs are known to interact with Penicillin VK:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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November 01, 1991 |
N/A |
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| WADA Class View classifications | |||||||||
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N/A |
N/A |
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| More Information | |||||||||
| Patient Resources | |||||||||
| Professional Resources | |||||||||
| Related Treatment Guide | |||||||||
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1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.